(4 total -- 2 for K1/K2/IR-1 Petition & 2 for AOS) $110 for I-129F (K1 application if you go this route) $15-50 - Fees for obtaining State certified copies of your Birth Certificate, Divorce Decrees, or other things you may need to include in your I-129F Petition. $110 (estimated per person) for round-trip plane tickets for CFO Seminar (manila/cebu) required to get passport.